dx=0.01;
Point (1) = {1.000000000000,1.000000000000,0.000000000000,dx};
Point (2) = {0.244780756294,1.000000000000,-0.000000000000,dx};
Point (3) = {0.233317984991,0.795176865193,-0.000000000000,dx};
Point (4) = {1.000000000000,0.698305720617,-0.000000000000,dx};
Point (5) = {0.374855063275,0.628533922300,-0.000000000000,dx};
Point (6) = {1.000000000000,0.000000000000,0.000000000000,dx};
Point (7) = {0.379230044723,-0.000000000000,-0.000000000000,dx};
Point (8) = {0.283903934908,0.459330950657,-0.000000000000,dx};
Point (9) = {-0.000000000000,0.464208039275,-0.000000000000,dx};
Point (10) = {-0.000000000000,0.773613354812,-0.000000000000,dx};
Point (11) = {0.000000000000,0.000000000000,0.000000000000,dx};
Point (12) = {0.000000000000,1.000000000000,0.000000000000,dx};
Line (1) = {4,1};
Line (2) = {1,2};
Line (3) = {3,2};
Line (4) = {4,5};
Line (5) = {5,3};
Line (6) = {6,4};
Line (7) = {7,6};
Line (8) = {7,8};
Line (9) = {8,5};
Line (10) = {10,9};
Line (11) = {10,3};
Line (12) = {8,9};
Line (13) = {9,11};
Line (14) = {11,7};
Line (15) = {12,10};
Line (16) = {2,12};
Line Loop (1) = {3,-2,-1,4,5};
Plane Surface (1) = {1}; Physical Surface (1) = {1};
Line Loop (2) = {-7,8,9,-4,-6};
Plane Surface (2) = {2}; Physical Surface (2) = {2};
Line Loop (3) = {-10,11,-5,-9,12};
Plane Surface (3) = {3}; Physical Surface (3) = {3};
Line Loop (4) = {-13,-12,-8,-14};
Plane Surface (4) = {4}; Physical Surface (4) = {4};
Line Loop (5) = {-15,-16,-3,-11};
Plane Surface (5) = {5}; Physical Surface (5) = {5};

//+
Physical Line("left") = {15, 10, 13};
//+
Physical Line("bottom") = {14, 7};
//+
Physical Line("right") = {6, 1};
//+
Physical Line("top") = {2, 16};
